The boy's surname is Guo, and his birth name is 20131012.

Zijian, Yu Zi, Zicheng, Ziyi, Zi Cong, Ziren, Qing Zi, Zikun, Zijun,

Zixu

, Zi Xuan, Ziyi, Jpua, Angel, Zinuo, Zicheng, Ziyang, Zihao, Zifeng, Zide, Kai Zi, Zirui, Chenzi, Mozi, Zishan, Liang Zi, He Zi and Zidong.